In order to improve the performance of a network server, you need to select bus or local bus. The appropriate local bus is

A．VESA

B．PCI

C．EISA

D．ISA

下述哪项不符合水痘的临床特点：（）

A.发热或不发热

B.皮疹一齐出现

C.丘疹、疱疹、结痂共见

D.疱壁较薄

E.愈后不留瘢痕